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Running Number
6,003,025
HEX
#5B9951
RGB
91, 153, 81
HSL
112°,31%,46%
HSV
112°,47%,60%
CMYK
41%,0%,47%,40%
Brightness
50%
Type
Dark
AA Normal Text: ≥ 4.5:1
AA Large Text: ≥ 3.0:1
AAA Normal Text: ≥ 7.0:1
AAA Large Text: ≥ 4.5:1
#5B9951 sits at 112° on the color wheel, placing it in the green family of the cool half of the spectrum. With 31% saturation and 46% lightness, it reads as a softly muted, balanced tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 91, 153, 81 produces a 6.12:1 contrast ratio against black, which clears WCAG AA for body text in that pairing.
In RGB space #5B9951 is a clear variant of CSS sea green — about 48 units away from #2E8B57. Designers reach for green hues at this saturation when the brief calls for a conversational, mid-energy register, and at this lightness when they want a present, comfortable mid-canvas voice. On screen the cool cast tends to pair best with warm neutrals in the 25°-45° range to add life.
See how this color appears in real UI elements
Button (filled)
Badge
Progress Bar
Link Hover
Input Focus Ring
Checkbox Active
Toggle Switch On
Slider Thumb
Card Border
Icon Highlight
Tooltip Background
Modal Header
Tab Active
Alert Box
Timeline Dot
Loading Spinner
Dropdown Selected
Table Row Highlight
Calendar Date
Mobile Device
See how to use #5B9951 in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#5b9951";💡 Click any tab to see how to use #5b9951 in different programming languages